Exercise machine



FIG. 1 is a right side elevational view of an excerise machine showing our new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a front elevational view;

FIG. 6 is a rear elevational view; and,

FIG. 7 is a right front perspective view.

The handle is shown fragmentarily in FIG. 3 for ease of illustration. 

The ornamental design for an excerise machine, as shown and described. 